Question

what is the engine of the machine ? what is its fuel​

Answer 1

Answer:

Engine refers to the chicks int nest. When goldfinch feeds them(fuel), the engine startsworking and naturally the machine too. So, tree is the machine. Inside it the baby chicks in the nest, the engine and the food for them is the fuel

Explanation:

Answer 2

Answer:

Engine refers to the chicks int nest. When goldfinch feeds them(fuel), the engine starts working and naturally the machine too. So, tree is the machine. Inside it the baby chicks in the nest, the engine and the food for them is the fuel.

hope it helps you

mark me as brainliest